The main innovations are:
Architecture designed to keep the overall dimensions and weights to a minimum.
Changed crankcase cylinder position.
Separate lubrication between gearbox and primary transmission.
Water-cooled gearbox to lower the temperature of the lubricating oil and to contain the quantity of oil.
Dismountable head assembled by interference to improve heat exchange.
New crankshaft with connecting rod length 110.2 mm
Reed pack with new flow guide